# Month: January 2020

## C program to evaluate the 1st derivative of a function at any given point

Writing C programs for numerical differentiation is interesting and fun. Here is one that I wrote years back. Enjoy!  ...

## Gregory Newton Backward Interpolation Method

Gregory Newton Backward Interpolation Method can be used to derive difference formula when the x values are at equidistant intervals and the value to be...

## C Program to evaluate forward difference

Below is a C program to evaluate forward difference and thus print a forward difference table for n function values –...

## Reducing Lagranges interpolation formula to Linear interpolation

Below is an amazing solution to prove that when n=2, Lagranges interpolation formula reduces to Linear interpolation –...

## Mobile Communication Services

One of the fastest growth rates in the telecommunications industry anywhere in the world is that of mobile radio communication devices. The basic architecture of...

## Digitized Phone Services (E-10B)

Olden form of phone systems involved manual exchanges which involved a great task in switching and routing of calls to various subscribers that increased network...

## Early Evolution of Data Commmunication Systems

It’s helpful for data communication and IT students to understand the evolution of Data communication systems. The first phase in the evolution of data communication...

## Data Communication and its basic setup

Data Communications is the function of transferring a digital signal from one digital device to another. Data transmission and data communications mean two different things....

## C program to convert a postfix string to prefix form

Below is sample C program to convert a postfix string to prefix form. Also included is detailed flow chart of the program and dry run...

## C program to convert a prefix string to infix form

Below is sample C program to convert a prefix string to infix form. Also included is detailed flow chart of the program and dry run...

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## Example for Preorder and Postorder traversal of a Binary tree

Below is an example that I prepared for preorder and postorder traversal of a Binary Tree – enjoy!...

## Traversing a Binary Tree in Postorder

Below is the algorithm and C routine for traversing a Binary Tree in postorder.  ...

## Traversing a Binary Tree in Preorder

A binary tree can be traversed in two basic ways – preorder and postorder. Explained below is the process or preorder traverse of a binary...

## Binary Tree

Binary Tree is a basic data structure that is used behind the scenes of all major technologies whether it’s a Database system or operating system,...